Granted Patent
Utility
US 5,409,713 · App. 08/032,624
Process for inhibition of microbial growth in aqueous transport streams
Inventors:
Keith D. Lokkesmoe, Keith E. Olson
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Mar 17, 1993
Inventors
Keith D. Lokkesmoe
Keith E. Olson
Assignee (at issue)
ECOLAB INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.